Editing Tools

NPS includes a plethora of drawing and editing tools – brushes, shapes,
filters, and more. Some of their features are outlined below, but you can accomplish
a lot more by applying a little bit of creativity.

Selection

Select square, rectangular, or irregular areas of your image. Hold down Ctrl to
instantly make a copy. Resize the selection in place, rotate it, invert it to select
everything but the area you just selected, and easily crop your image.

Apply effects or transformations to just the selected area: brighten part of an
image, blur out someone's face without blurring
the rest, bring just part of an image into focus, or redact a screenshot.
The possibilities are endless!

The selection tool supports several transparency modes – opaque, keyed, and
fully transparent. In keyed mode, the background color is used as a key (similar
to Microsoft Paint's selection) which allows you to easily move elements on a solid
background while leaving the background behind.
When the selection contains transparency. you can either blend the selection with
the rest of the image or overwrite it.

Bucket Fill / Multi Fill

The versatile Fill tool lets you fill in touching regions of one color, regions
bounded by the color, or all regions of that color throughout the image. An adjustable
tolerance allows you to get colors that are slightly off, and selecting either the
4-direction or 8-direction mode lets you have more control over how contiguous regions
are determined. And if you think that's enough, you can click through an image and set
a different color each time thanks to color cycling.
This is Microsoft Paint's fill tool on steroids!

Line, Shape, and Bezier Curve

Adjust a Bezier curve's outline using 4 control points to build smooth shapes.

Text

Add text to your image using the font and color of your choice. You can align and
wrap text as needed, and even apply effects (such as blur, distortion, and rotation) to
spice things up. The text tool supports semitransparent colors too, allowing you to
create watermarks.

Clone Stamp

The Clone Stamp lets you cut out unwanted parts of an image (such as power lines or
obstructions) to clean it up. Click once to select a point of origin, and then draw
anywhere to clone that part of your image.

Brushes

NPS Image Editor includes several categories of brushes.

Standard brushes are predefined shapes; you can customize them
with fill and outline patterns.

Custom brushes allow you to create any shape of your choice.
Custom brushes can be animated, which allows them to change shape
as you draw; you can also create full color brushes that do not
depend on the currently selected color.

The Airbrush allows you to draw smooth, translucent shapes similar
to a real airbrush; alternatively, you can opt for the classic "spraypaint"
mode resembling the airbrush in Microsoft Paint.

Texture brushes can be used to fill a region with a custom texture.

Filter Tool

The Filter Tool lets you apply all sorts of effects to your image while behaving
like a normal brush. A large list of effects is available; a few of them are outlined
below.

Adjustments such as brighten, darken, and desaturate
let you selectively touch up an image